diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index db3f674ca49d..5f996d36ac5d 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3751,8 +3751,11 @@ static void task_fork_fair(struct task_struct *p)
 
 	update_rq_clock(rq);
 
-	if (unlikely(task_cpu(p) != this_cpu))
+	if (unlikely(task_cpu(p) != this_cpu)) {
+		rcu_read_lock();
 		__set_task_cpu(p, this_cpu);
+		rcu_read_unlock();
+	}
 
 	update_curr(cfs_rq);